Garmin 645 Music vs. Samsung Gear Fit vs. Sony SmartBand vs. Apple Watch 7

 
645 Music
Gear Fit
SmartBand
Watch 7
 Garmin645 MusicRemove Buy NowSamsungGear FitRemove Buy NowSonySmartBandRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$450$150$100$429
Release2018201420142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2-3 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution240 x 240432 x 128NA396 x 484
Size1.2 inches1.84 inchesNA1.9 inches
TouchNA
TypeMIPSuper AMOLEDNAMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP67IP58water resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWatchOS 8
Apps
Music

All Wearables